CBSE Maths 12 Science MCQ Three Dimensional Geometry Answers in English

CBSE Maths 12 Science MCQ Three Dimensional Geometry Answers in English to enable students to get Answers in a narrative video format for the specific question.

Expert Teacher provides CBSE Maths 12 Science MCQ Three Dimensional Geometry Answers through Video Answers in English language. This video solution will be useful for students to understand how to write an answer in exam in order to score more marks. This teacher uses a narrative style for a question from Three Dimensional Geometry not only to explain the proper method of answering question, but deriving right answer too.

Please find the question below and view the Answer in a narrative video format.

Question:

Find the angle between the lines whose direction ratios are a, b, c and b - c, c - a, a - b.

Answer Video in English:

Similar Questions from CBSE, 12th Science, Maths, Three Dimensional Geometry

Question 1 : Find the equation of the plane that contains the point (1, -1, 2) and is perpendicular to both the planes 2x + 3y - 2z = 5 and x + 2y - 3z = 8. Hence find the distance of point P(-2, 5, 5) from the plane obtained above. (View Answer Video)

Question 2 : Find the co-ordinates of the point where the line through the points A(3, 4, 1) and B(5, 1, 6) crosses the XY-plane. Also find angle which this line makes with the XZ-plane. (View Answer Video)

Question 3 : Find the equation of the plane with intercept 3 on the y-axis and parallel to ZOX plane. (View Answer Video)

Question 4 : Find the distance of the point  Question  from the plane 3x + y - z + 2+0 measured parallel to the lineQuestion  Also, find the foot of the perpendicular from the given point upon the given plane. (View Answer Video)

Question 5 : Find the vector equation of a plane which is at a distance of 5 units from the origin and its normal vector is Question (View Answer Video)

Questions from Other Chapters of CBSE, 12th Science, Maths

Relations and Functions

Question 1 : Let R be the relation in the set N given by :
R = {(a, b) : a = b - 2, b > 6}.
Choose the correct answer : (View Answer Video)

Question 2 : Consider Question given by f(x) = 4x + 3. Find the inverse of f. (View Answer Video)

Question 3 :  Let  Question defined as f(x) = 5 be a constant function. Then its range is (View Answer Video)

Question 4 : Let * be the binary operation on N given by a * b = LCM of a and b. Find the identity of * in N? (View Answer Video)

Question 5 : Number of binary operations on the set {a, b} are : (View Answer Video)

Continuity and Differentiability

Question 1 : Differentiate the function Question with respect to x. (View Answer Video)

Question 2 :  Find the second order derivative of the function Question. (View Answer Video)

Question 3 : If x and y are connected parametrically by the equation Question   , without eliminating the parameter, find Question. (View Answer Video)

Question 4 : Find Question for the function Question. (View Answer Video)

Question 5 : Using the fact that Question and the differentiation, obtain the sum formula for cosines. (View Answer Video)

Application of Derivatives

Question 1 : It is given that  at x=1, the function attainsQuestion its maximum value on the interval[0,2]. Find the value of a? (View Answer Video)

Question 2 : The rate of change of the area of a circle with respect to its radius r at r = 6 cm is : (View Answer Video)

Question 3 : For all real values of x the minimum value of.Question (View Answer Video)

Question 4 : For the curve, y=Question if x increases at the rate of 2 units/sec, then how fast is the slope of curve changing when x=3? (View Answer Video)

Question 5 : What is the maximum value of the function sin x+ cos x? (View Answer Video)